crontab: Crontab Fields

How many times admins forget the field order of the crontab files and alway reference the man pages over-and-over.

Make your life easy. Just put the field definitions in your crontab file
and comment (#) the lines out so the crontab file ignores it. 

 # minute (0-59),
 # |    hour (0-23),
 # |    |       day of the month (1-31),
 # |    |       |       month of the year (1-12),
 # |    |       |       |       day of the week (0-6 with 0=Sunday).
 # |    |       |       |       |       commands
   3    2       *       *       0,6     /some/command/to/run
   3    2       *       *       1-5     /another/command/to/run